Boiler with flue gas circulating device

Abstract

The utility model discloses a boiler with a flue gas circulation device, which relates to the technical field of boilers and comprises a boiler box body, a flue gas circulation structure is mounted on the upper wall surface of the boiler box body, an oxygen structure is mounted on the rear wall surface of the boiler box body, a water inlet structure is mounted on the left wall surface of the boiler box body, and a water outlet structure is mounted on the right wall surface of the boiler box body. The flue gas circulation structure comprises a smoke exhaust pipeline, a smoke dust sensor, a recovery pipeline and a recovery air pump; the smoke exhaust pipeline is mounted on the upper wall surface of the boiler box body; the smoke dust sensor is mounted at an outlet of the smoke exhaust pipeline; oxygen is supplied to the boiler, so that fuel is combusted under the condition that oxygen is sufficient, the combustion efficiency of the fuel is guaranteed, meanwhile, smoke detection can be conducted on a smoke outlet, when the smoke content is too high, smoke is recycled and enters the boiler for secondary combustion, and the oxygen supply structure is matched, so that the combustion efficiency of the fuel is improved. And sufficient combustion of smoke dust is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler technical field especially relates to a boiler with flue gas circulating device. BACKGROUND

[0002] The boiler is a kind of energy conversion equipment, its main function is to use fuel combustion or other heat energy to heat water or other working medium to certain temperature and pressure, to generate steam, hot water or organic heat carrier.Boiler is composed of two parts: pot, furnace;Pot refers to the container that holds water, furnace refers to the place that burns fuel.Boiler produces hot water or steam can directly for industrial production and people's life provide heat energy.

[0003] Some small boilers need to use coal and other solid fuels as heat source, and the small boiler does not have the function of crushing solid fuel, so there will be incomplete combustion and smoke, which is a small particle containing carbon, direct emission will seriously pollute the environment, at the same time, this kind of incomplete combustion is also a waste of fuel, and the smoke will adhere to the exhaust flue of the boiler, causing the boiler to be blocked, so as to reduce the combustion efficiency of the boiler. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a boiler with flue gas circulating device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of boiler with flue gas circulating device, it include: boiler box, the upper wall surface of the boiler box is installed with flue gas circulation structure, the rear wall surface of the boiler box is installed with oxygen structure, the left wall surface of the boiler box is installed with water inlet structure, the right wall surface of the boiler box is installed with water outlet structure;The flue gas circulation structure includes: exhaust flue, smoke dust sensor, recovery pipeline and recovery gas pump;The exhaust flue is installed in the upper wall surface of boiler box, the smoke dust sensor is installed in the outlet of exhaust flue, the two ends of recovery pipeline are installed in the outlet of exhaust flue and the rear wall surface of boiler box respectively, the recovery gas pump is installed in the outside of recovery pipeline.

[0007] The utility model is further provided as the oxygen structure includes: oxygen supply pipe and electromagnetic valve;One end of the oxygen supply pipe is installed in the tail of boiler box, the electromagnetic valve is installed in the outside of oxygen supply pipe.

[0008] The utility model is further provided as the water inlet structure includes: water inlet tank, water inlet pipe and water inlet pump;The water inlet tank is installed in the left wall surface of boiler box heat exchange pipe, the water inlet pipe is installed in the side wall surface of water inlet tank, the water inlet pump is installed in the tail end of water inlet pipe.

[0009] The utility model further sets up as the water outlet structure includes: water outlet water tank and water outlet pipe, the water outlet water tank installs in the wall surface of boiler box heat exchange pipe, one end of water outlet pipe installs in the lateral wall surface of water outlet water tank.

[0010] The utility model further sets up as the lower wall surface of boiler box installs the cinder groove.

[0011] The utility model further sets up as the cinder groove and boiler box are provided with the support net between.

[0012] The utility model discloses the beneficial effect is: the utility model discloses the oxygen supply to the boiler, thereby lets the fuel to burn under the condition that oxygen is full, guarantees the combustion efficiency of fuel, and simultaneously the utility model discloses can carry out the flue gas detection to the smoke outlet, when the smoke dust content is too high, carries out the recycling of smoke dust, lets the smoke dust live to the boiler and carries out secondary combustion, cooperates the oxygen supply structure, guarantees the full combustion of smoke dust. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the first whole structure schematic drawing of the utility model to propose a kind of boiler with flue gas circulating device;

[0014] Figure 2 It is the second whole structure schematic drawing of the utility model to propose a kind of boiler with flue gas circulating device;

[0015] Figure 3 It is the partial structure schematic drawing of the utility model to propose a kind of boiler with flue gas circulating device;

[0016] Figure 4 It is the internal structure schematic drawing of the utility model to propose a kind of boiler with flue gas circulating device.

[0017] In the drawing: 1, boiler box;2, smoke exhaust duct;3, smoke dust sensor;4, recovery pipeline;5, recovery gas pump;6, oxygen supply pipe;7, electromagnetic valve;8, water inlet tank;9, water inlet pipe;10, water inlet pump;11, water outlet tank;12, water outlet pipe;13, cinder groove;14, support net. DETAILED DESCRIPTION

[0018] The technical scheme of the patent will be further described in detail in combination with specific implementation manners.

[0019] The embodiments of the patent will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the patent, and cannot be understood as the limitation of the patent.

[0020] In the description of the present patent, it needs to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present patent and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present patent.

[0021] In the description of the present patent, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or it can be detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present patent can be understood according to the specific circumstances.

[0022] Reference Figures 1-4 A boiler with flue gas circulation device, comprising: a boiler tank 1, a flue gas circulation structure is installed on the upper wall surface of the boiler tank 1, an oxygen structure is installed on the rear wall surface of the boiler tank 1, a water inlet structure is installed on the left wall surface of the boiler tank 1, and a water outlet structure is installed on the right wall surface of the boiler tank 1; the flue gas circulation structure comprises: a smoke exhaust pipe 2, a smoke dust sensor 3, a recovery pipe 4 and a recovery gas pump 5; the smoke exhaust pipe 2 is installed on the upper wall surface of the boiler tank 1, the smoke dust sensor 3 is installed at the outlet of the smoke exhaust pipe 2, the two ends of the recovery pipe 4 are respectively installed at the outlet of the smoke exhaust pipe 2 and the rear wall surface of the boiler tank 1, and the recovery gas pump 5 is installed outside the recovery pipe 4; an ash chute 13 is installed on the lower wall surface of the boiler tank 1, and a supporting net 14 is arranged between the ash chute 13 and the boiler tank 1.

[0023] Specifically, the oxygen structure comprises: an oxygen supply pipe 6 and an electromagnetic valve 7; one end of the oxygen supply pipe 6 is installed at the tail of the boiler tank 1, and the electromagnetic valve 7 is installed outside the oxygen supply pipe 6.

[0024] Specifically, the water inlet structure comprises: a water inlet tank 8, a water inlet pipe 9 and a water inlet pump 10; the water inlet tank 8 is installed on the left wall surface of the heat exchange pipe of the boiler tank 1, the water inlet pipe 9 is installed on the side wall surface of the water inlet tank 8, and the water inlet pump 10 is installed at the tail end of the water inlet pipe 9.

[0025] Specifically, the water outlet structure comprises: a water outlet tank 11 and a water outlet pipe 12; the water outlet tank 11 is installed on the other wall surface of the heat exchange pipe of the boiler tank 1, and one end of the water outlet pipe 12 is installed on the side wall surface of the water outlet tank 11.

[0026] Working principle: when using the utility model, the operator first connects the external AC power supply and the related controller to the utility model, provides energy for the electric appliance in the utility model, then the operator connects the external oxygen source to the utility model through the oxygen supply pipe 6, the operator connects the water source to the water inlet pipe 9, and provides water pressure through the water inlet pump 10, at the same time, connects the water outlet pipe 12 and the water end, at this time, the operator completes the installation work before using the utility model, then the operator places the fuel in the inside of the boiler box body 1, the upper wall surface of the supporting net 14, and ignites, in order to ensure that the fuel is fully burned, the electromagnetic valve 7 opens once every interval, increases the oxygen content in the inside of the boiler box body 1, if the combustion is not sufficient during the combustion process, smoke will be produced, when the smoke is discharged through the smoke exhaust pipe 2, the smoke sensor 3 will detect, when the smoke content in the smoke exceeds the set threshold value, at this time, the recovery gas pump 5 starts to work, the electromagnetic valve 7 opens, the recovery gas pump 5 discharges the smoke exhaust pipe 2 for the fully burned smoke through the recovery pipe 4 back to the inside of the boiler box body 1, carries out secondary combustion, and the oxygen supply pipe 6 fills oxygen into the inside of the boiler box body 1, the abundant oxygen can make the smoke fully burn.

[0027] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, carries out equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A boiler having a flue gas recirculation device, comprising: Boiler box (1), characterized in that the upper wall surface of the boiler box (1) is provided with flue gas circulation structure, the rear wall surface of the boiler box (1) is provided with oxygen structure, the left wall surface of the boiler box (1) is provided with water inlet structure, the right wall surface of the boiler box (1) is provided with water outlet structure;The flue gas circulation structure comprises: exhaust pipe (2), smoke dust sensor (3), recovery pipeline (4) and recovery gas pump (5);The exhaust pipe (2) is installed on the upper wall surface of the boiler box (1), the smoke dust sensor (3) is installed at the outlet of the exhaust pipe (2), the two ends of the recovery pipeline (4) are respectively installed at the outlet of the exhaust pipe (2) and the rear wall surface of the boiler box (1), and the recovery gas pump (5) is installed outside the recovery pipeline (4).

2. A boiler having a flue gas recirculation device according to claim 1, characterized in that The oxygen structure comprises: oxygen supply pipe (6) and electromagnetic valve (7);One end of the oxygen supply pipe (6) is installed at the tail of the boiler box (1), and the electromagnetic valve (7) is installed outside the oxygen supply pipe (6).

3. A boiler having a flue gas recirculation device according to claim 1, characterized in that, The water inlet structure comprises: water inlet tank (8), water inlet pipe (9) and water inlet pump (10);The water inlet tank (8) is installed on the left wall surface of the boiler box (1) heat exchange pipe, the water inlet pipe (9) is installed on the side wall surface of the water inlet tank (8), and the water inlet pump (10) is installed at the tail end of the water inlet pipe (9).

4. A boiler having a flue gas recirculation device according to claim 1, characterized in that, The water outlet structure comprises: water outlet tank (11) and water outlet pipe (12);The water outlet tank (11) is installed on the other wall surface of the boiler box (1) heat exchange pipe, and one end of the water outlet pipe (12) is installed on the side wall surface of the water outlet tank (11).

5. A boiler having a flue gas recirculation device according to claim 1, characterized in that, The lower wall surface of the boiler box (1) is provided with an ash chute (13).

6. A boiler with flue gas recirculation according to claim 5, characterized in that The ash chute (13) and the boiler box (1) are provided with a supporting net (14).

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